ptblearning.org - robtex.com
ptblearning.org
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1776216750 | ||||||
PTR for
Same first word
ptblearning.org |
DNS History
6 records (6 active, 0 former)
●A209.174.190.2322015-08-20 → 2026-04-15 · 2 obs
● 2026-04-15 01:56:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org | - |
| ptblearning.org | ns2.cait.org, ns1.cait.org | 2 records |
✅ Authoritative Response
Server:209.174.123.34
NS records: ns2.cait.org, ns1.cait.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ptblearning.org (unsigned zone)
⏱️ Timing
Total: 333ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 209.174.190.232 |
| NS | 2 | ns1.cait.org, ns2.cait.org |
| MX | 3 | mx1.cait.org (pri: 200), mx2.cait.org (pri: 200)... |
| SOA | 1 | ns1.cait.org hostmaster.cait.org |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.cait.org, ns2.cait.org)
Analysis
IP Addresses
ptblearning.org resolves to one IP number: 209.174.190.232.
Other host names for instance pro.ptblearning.vh09.mars.cait.org and pro.ptblearning.vh09.mars.cu.cait.org share IP numbers with ptblearning.org.
Name Servers
ptblearning.org's delegation uses two name servers: ns1.cait.org and ns2.cait.org.
ptblearning.org uses the same name server setup as other domains, such as dcfstraining.org, cait.tv, i-pathways.com, providerconnections.org and sitrep-vv.org.
ptblearning.org at least partially shares name servers with other domains, including admin.cait.org, dcfstraining.net, illinoisicac.com, 190.174.209.in-addr.arpa and illinoisicac.net.
these name servers are commonly used alongside the name servers ns1.cu.cait.org, ns3.cait.org, ns1.illinois.net, ns2.illinois.net and 3dns.cait.org.
Host names with a single IP address: ns1.cait.org points to 209.174.190.136; ns2.cait.org points to 209.174.123.34.
Mail Servers
Three mail servers handle ptblearning.org: mx0.cait.org, mx1.cait.org and mx2.cait.org.
ptblearning.org shares at least some mail servers with other domains, for example illinoisattorneygeneral.gov, dcfstraining.org, cait.tv, i-pathways.com and providerconnections.org.
Host names with a single IP:
mx0.cait.org points to 209.174.190.138.
mx1.cait.org points to 209.174.123.75.
mx2.cait.org points to 209.174.190.138.
Names pointing to 209.174.190.138: mx0.cait.org and mx2.cait.org.